Abstract
In this paper a general k-level uncapacitated facility location problem(k-GLUFLP) is proposed. It is shown that the 2-level uncapacitated facility location problem with no fixed cost(2-GLUFLNP) is strong NP-complete and a heuristic algorithm with worst case ratio of 3/2 is given for 2-GLUFLNP when the service costs are assumed to be in the metric space. We also present a randomized 3-approximation algorithm for the k-GLUFLP, when k is a fixed integer.
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Li, R., Huang, HC. (2008). A General k-Level Uncapacitated Facility Location Problem. In: Huang, DS., Wunsch, D.C., Levine, D.S., Jo, KH. (eds) Advanced Intelligent Computing Theories and Applications. With Aspects of Contemporary Intelligent Computing Techniques. ICIC 2008. Communications in Computer and Information Science, vol 15. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-85930-7_11
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DOI: https://doi.org/10.1007/978-3-540-85930-7_11
Publisher Name: Springer, Berlin, Heidelberg
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